Warning: file_put_contents(/home/xindiyiliao2xhi9n7dlicytilleiga1o/wwwroot/source/cache/license_cache.php): failed to open stream: Permission denied in /home/xindiyiliao2xhi9n7dlicytilleiga1o/wwwroot/source/model/api.class.php on line 217 一次性医用口罩怎么佩戴?-河南省新迪医疗器械有限公司

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一次性医用口罩怎么佩戴?

2020-08-04

一次性医          YY 0469-2004: (1):(30±2)L/min(0.24±0.06)μm30%; (2):(3±0.3)μm95%; (3):49Pa29.4Pa 3. (YZB)

医用口罩

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